Dimitrios Zacharopoulos is a highly accomplished Cybersecurity Director at Obipixel Ltd and a leading expert in ethical hacking, incident response, and advanced cyber defense strategies. With an impressive array of certifications including CEH, CHFI, ECSA, LPT, CBCP, CPP, GPTP, CAIMLP, and CEI, Dimitrios brings over a decade of hands-on industry experience to his training sessions. He is also a Certified EC-Council Instructor (CEI) and a recognized member of international cybersecurity bodies such as CREST and LPI.

As founder and technical lead behind several tech and security ventures under the Obipixel Group — including Obisec, Obi.Academy, and Obiwish — Dimitrios has trained and mentored hundreds of professionals and teams across the UK and internationally. His training style is deeply practical, drawing from real-world scenarios to deliver high-impact, skill-based learning in penetration testing, cyber forensics, and infrastructure protection.

At Younique Training Academy (YTA), Dimitrios leads delivery of advanced EC-Council programs including CEH, CHFI, ECSA, and LPT, helping organizations build cyber-resilient teams prepared for today’s threats.